20802387 is an odd 8-digits composite number following 20802386
and preceding 20802388 . In scientific notation, it is written as 2.0802387 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13868256 positive integers (up to 20802387) that are relatively prime to 20802387.
20802387 has 4 divisors, whose sum is 27736520
The reverse of 20802387 is 78320802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred two thousand three hundred eighty-seven
Scientific notation
2.0802387 × 10^7
Engineering notation
2.0802387 × 10^6
Prime Factorization
3 × 6934129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20802387
Product of the distinct prime numbers
The prime factorization of 20802387 is 3 × 6934129.
Since it has a total of 2 prime factors.
5 , 8 , 26 , 95 , 946 , 100 , 5567 , 6065 , 4102 , 91496 , 374499 , 367248 , 3638655 , 9335134 , 61296281 , 37708685 , 875167693 , 386332999 , 5152157049 , 3022777879
n×2
41604774
n×3
62407161
n×4
83209548
n×5
104011935
n÷2
10401193.5
n÷3
6934129
n÷3
5200596.75
n÷5
4160477.4
n2
432739304897769
n3
9.0020104905944E+21
n4
1.872633060034E+29
n5
3.8955237623822E+36
2 √n
4560.9633850756
3 √n
275.02429317071
4 √n
67.534904938673
5 √n
29.081890461376
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20802386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20802387 can be divided by 4 positive divisors.
The sum of these divisors (counting 20802387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010110101101010011
3
Ternary
1110010212111210
4
Quaternary
1033112231103
5
Quinary
20311134022
6
Senary
2021511203
8
Octal
117265523
10
Decimal
20802387
12
Duodecimal
6b72503
16
Hexadecimal
13d6b53
20
Vigesimal
6a05j7
36
Base36
cdv83
md5
d1141205c8c333c341cbaa22b66a19c1
sha1
810845b1e11b9cce195645428e8baca252e5c0be
sha256
148c5306198544ed92aa52946ec51e8a7a2c1d93104013cf91964c1a5144ec0b
sha512
b710258bc90b1418def9198d1d2bb2f606616ba112c13633f8719f2fdeb906a9c110ec9d62b2f70209aeaaec70530676b95c31652d1765d3f514c4f4a4989bfb
ripemd-160
63fdf22ef35b5f633b39fcff95d8d05034d1a80a
Diameter
41604774
Circumference
130705252.35266
Area
1.3594906211864E+15
Volume
3.7707533366386E+22
Surface area
5.4379624847455E+15
Circumference
130705252.35266
Perimeter
83209548
Area
432739304897769
Diagonal
29419017.825134
Surface area
2596435829386614
Volume
9.0020104905944E+21
Space diagonal
36030791.20271
Perimeter
62407161
Area
1.8738161562874E+14
Altitude
18015395.601355
Surface area
1.8738161562874E+14
Volume
1.0608971103686E+21
Height
9806339.2750446